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Remove vestiges of old code...

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These functions are always called on new memory so they can
not already be set up, so don't bother testing for that.
(This was left over from before we used UMA (which is cool))
This commit is contained in:
Julian Elischer 2002-07-03 20:06:38 +00:00
parent e9a5542330
commit b2adb4b2c3
2 changed files with 24 additions and 42 deletions
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33
sys/amd64/amd64/pmap.c
View file

@ -1007,23 +1007,17 @@ pmap_new_thread(struct thread *td)
/*
* allocate object for the kstack
*/
ksobj = td->td_kstack_obj;
if (ksobj == NULL) {
ksobj = vm_object_allocate(OBJT_DEFAULT, KSTACK_PAGES);
td->td_kstack_obj = ksobj;
}
ksobj = vm_object_allocate(OBJT_DEFAULT, KSTACK_PAGES);
td->td_kstack_obj = ksobj;
#ifdef KSTACK_GUARD
/* get a kernel virtual address for the kstack for this thread */
ks = td->td_kstack;
if (ks == 0) {
ks = kmem_alloc_nofault(kernel_map,
(KSTACK_PAGES + 1) * PAGE_SIZE);
if (ks == 0)
panic("pmap_new_thread: kstack allocation failed");
ks += PAGE_SIZE;
td->td_kstack = ks;
}
ks = kmem_alloc_nofault(kernel_map,
(KSTACK_PAGES + 1) * PAGE_SIZE);
if (ks == 0)
panic("pmap_new_thread: kstack allocation failed");
ks += PAGE_SIZE;
td->td_kstack = ks;
ptek = vtopte(ks - PAGE_SIZE);
oldpte = *ptek;
@ -1038,13 +1032,10 @@ pmap_new_thread(struct thread *td)
ptek++;
#else
/* get a kernel virtual address for the kstack for this thread */
ks = td->td_kstack;
if (ks == 0) {
ks = kmem_alloc_nofault(kernel_map, KSTACK_PAGES * PAGE_SIZE);
if (ks == 0)
panic("pmap_new_thread: kstack allocation failed");
td->td_kstack = ks;
}
ks = kmem_alloc_nofault(kernel_map, KSTACK_PAGES * PAGE_SIZE);
if (ks == 0)
panic("pmap_new_thread: kstack allocation failed");
td->td_kstack = ks;
ptek = vtopte(ks);
#endif
for (i = 0; i < KSTACK_PAGES; i++) {

33
sys/i386/i386/pmap.c
View file

@ -1007,23 +1007,17 @@ pmap_new_thread(struct thread *td)
/*
* allocate object for the kstack
*/
ksobj = td->td_kstack_obj;
if (ksobj == NULL) {
ksobj = vm_object_allocate(OBJT_DEFAULT, KSTACK_PAGES);
td->td_kstack_obj = ksobj;
}
ksobj = vm_object_allocate(OBJT_DEFAULT, KSTACK_PAGES);
td->td_kstack_obj = ksobj;
#ifdef KSTACK_GUARD
/* get a kernel virtual address for the kstack for this thread */
ks = td->td_kstack;
if (ks == 0) {
ks = kmem_alloc_nofault(kernel_map,
(KSTACK_PAGES + 1) * PAGE_SIZE);
if (ks == 0)
panic("pmap_new_thread: kstack allocation failed");
ks += PAGE_SIZE;
td->td_kstack = ks;
}
ks = kmem_alloc_nofault(kernel_map,
(KSTACK_PAGES + 1) * PAGE_SIZE);
if (ks == 0)
panic("pmap_new_thread: kstack allocation failed");
ks += PAGE_SIZE;
td->td_kstack = ks;
ptek = vtopte(ks - PAGE_SIZE);
oldpte = *ptek;
@ -1038,13 +1032,10 @@ pmap_new_thread(struct thread *td)
ptek++;
#else
/* get a kernel virtual address for the kstack for this thread */
ks = td->td_kstack;
if (ks == 0) {
ks = kmem_alloc_nofault(kernel_map, KSTACK_PAGES * PAGE_SIZE);
if (ks == 0)
panic("pmap_new_thread: kstack allocation failed");
td->td_kstack = ks;
}
ks = kmem_alloc_nofault(kernel_map, KSTACK_PAGES * PAGE_SIZE);
if (ks == 0)
panic("pmap_new_thread: kstack allocation failed");
td->td_kstack = ks;
ptek = vtopte(ks);
#endif
for (i = 0; i < KSTACK_PAGES; i++) {